Home / 939,855.87-1,297,002.41-510,136.10

Finding the Fourth Proportional to 939,855.87, 1,297,002.41 and 510,136.10

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Solution

The fourth proportional to 939,855.87, 1,297,002.41 and 510,136.10 is: 703,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,855.87 : 1,297,002.41 = 510,136.10 : x
  2. Step 2: Convert to fraction form
    939,855.87/1,297,002.41 = 510,136.10/x
  3. Step 3: Cross multiply
    939,855.87x = 1,297,002.41 × 510,136.10
  4. Step 4: Simplify right side
    939,855.87x = 661,647,742,092.31
  5. Step 5: Solve for x
    x = 661,647,742,092.31/939,855.87
  6. Step 6: Final answer
    x = 703,988.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.